package com.angus.alilang.controller;

import com.aliyuncs.utils.StringUtils;
import com.angus.alilang.common.R;
import com.angus.alilang.entity.User;
import com.angus.alilang.service.UserService;
import com.angus.alilang.utils.SMSUtils;
import com.angus.alilang.utils.ValidateCodeUtils;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;

/**
 * Description :
 * Created by Angus on 2022/7/21 9:42
 */
@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    /**
     * 发送手机短信验证码
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {
        //获取手机号
        String phone = user.getPhone();

        if(!StringUtils.isEmpty(phone)) {
            //生成随机数（四位验证码）
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}",code);

            //调用阿里云短信服务API完成发送短信
           //SMSUtils.sendMessage("阿里郎外卖","",phone,code);


            //需要将生成的验证码保存到session中
            session.setAttribute(phone,code);

            return R.success("手机验证码短信发送成功");
        }
        return R.error("短信发送失败");
    }

    /**
     * 移动端用户登录
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session) {

         log.info(map.toString());

         //获取手机号
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();

        //从Session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);

        //进行验证的对比（页面提交的验证码 和 Session中保存的验证码比对
        if(codeInSession != null && codeInSession.equals(code)) {
        //如果比对成功， 说明登录成功


            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);

            User user = userService.getOne(queryWrapper);
        //判断当前手机号对应的 用户是否为新用户，如果是新用户就自动完成注册
            if(user == null) {
                 user = new User();
                 user.setPhone(phone);
                 user.setStatus(1);
                 userService.save(user);
            }
            session.setAttribute("user",user.getId());

            return R.success(user);
        }
         return R.error("登录失败");
    }
}
